car jump starts but wont stay running

When you disconnect the MAF the CEL will come on but should turn itself off after you reconnect it and start the engine 3 or 4 times. If the car starts it could be that your battery is too weak to start the car but has enough power to run the lights etc.

Can A Car Battery Be Too Dead To Jump Start Reviewerst

A non self-exciting alternator requires 12V power on one lead to stay energized and in operation.

. If it doesnt run after a jump and the battery isnt bad the something in your charging system isnt functioning properly. Ignition System Problems. First try to get a jump to get the car running.

After a while it will shut off due to a. A bad electric sensor can only occur on a car with a fuel injection system. Both the battery and the alternator can be tested.

Inspect your battery - it should have at least 125 to 13 volts to start your car if it doesnt you will need to replace the battery. If its sucking extra air its not going to run properly. The car should start IMMEDIATELY when it is jumped and it should stay running.

It takes a lot of battery power to turn the starter over. Vehicles of this type and a dead or disconnected battery will jump-start off of another vehicle then die the moment the jumpers are removed. When your car engine starts but stops afterwards whether immediately or after a few minutes there could be one or more specific systems or components behind the failure.

The current problem here is that my car will start with a jump but wont hold a charge. I was told theres a miscommunication between the alternator battery. The bike doesnt start charging until 4k rpms or over.

The ignition or injection system a low idle speed in need of adjustment a maladjusted carburetor vacuum leaks one or more bad sensors. These vehicles can be jump-started without a battery and will continue to run once jumper cables are removed. The second problem could be that your alternator is bad and not charging your battery in this case you will need to replace your alternator.

I have had it in and out of the shop and now its just sitting until I can afford to fix the next set of issues. If one of the three elements fails to decrease or increases slightly the ratio changes and the car will not have a smooth running. My jeep starts but wont stay running.

The 3 core elements for the car to start and run are fuel spark and air. Up to 20 cash back Car will take a jump and start but wont stay running. All the arguments are the same.

Try Tims suggestion but check all of the air ducts between the MAF and engine for cracks first. A amandafaithmile Registered Joined Jan 13 2012 3 Posts. Start the vehicle and leave it running.

No codes can be read so I have no idea. Under this scenario one of the electronic sensors has gone bad and is causing the cars computer to malfunction and improperly calculate the amount of fuel the engine needs. If you jump it due to low or dead battery it will not stay running until it has full voltage even when at low idle.

If getting a jump wont start the car there is something else wrong. You may have this figured out by now and not sure this will help but that Jeep needs full voltage for it to stay running. If you didnt fry your electrical system by jumping from a car that was on the cars alternator output has been argued to fry the motorcycle electrics Google it.

Common Reasons a Car Starts Then Shuts Off 1 Bad Idle Air Control Valve 2 Bad Vacuum Leak 3 Dirty or Faulty MAF Sensor 4 Ignition Issue 5 Bad CamshaftCrankshaft Position Sensor 6 Slipped Timing BeltTiming Chain 7 Fuel Pump Leak 8 Fuel Injection Sensor Issue 9 Bad Carburetor 10 Engine Control Unit Issue Conclusion. If these three elements are available in the correct ratio then the car will run smoothly and will not stop. Put a new battery in it.

An expert that got 5 achievements. I wouldnt doubt it is one of these two problems. Take a multimeter and test across the poles on your battery.

If the car stalls even when the engine is warm the cause is likely a faulty electric fuel pump. If you had a scan tool connected it would tell you why. Ive been having a lot of trouble with my 2001 Hyundai Elantra.

Starts ok and stalls. Battery is good and altenater was replaced a few months ago. First off stalls can be caused by 50 thingsso guessing is out.

So letting it idle for 5 mins does absolutely nothing.

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